What is the main purpose of the prologue to The Epic of Gilgamesh?

Theestablishes a bit of background about Gilgamesh, giving us an insight into what kind
of man he is. The narrator tells us that he will recount the great deeds of Gilgamesh,
indicating at once just what kind of man we're dealing with here. And yet, as the narrator goes
on to tell us, Gilgamesh is no mere ordinary...